She may be a witness, and her testimony does not need corroboration.
This entry has ample historical corroboration.
A corroboration is also to be found in the report of the first census for 1801, where a calculation is made of the probable population of the years 1700 and 1750.
Christendom would welcome gladly the intelligence of a counterpoise arising so unexpectedly to the Mahommedan power; while the statements of the letter itself combined a reference to and corroboration of all the romantic figments concerning Asia which already fed the curiosity of Europe, which figured in the world-maps, and filled that fabulous history of Alexander which for nearly a thousand years supplanted the real history of the Macedonian throughout Europe and western Asia.
Other details may be cited in corroboration.